Hardwick, Philip. An introduction to modern economics / Philip Hardwick, Bahadur Khan, John Langmead. - 5th ed. - London ; New York : Prentice Hall, 1996. - xvii, 690 p. : ill. ; Includes bibliographical references and index. ISBN: 0582357152 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 .H3254 1996